| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a cutting method capable favorably finishing a cut surface in cutting a workpiece comprising organic high polymer material. SOLUTION: On the surface of a cutting part of a workpiece W, freezing agent of -50 deg. or less, or favorably -1000 deg.C or less, is applied, while it is cut simultaneously with or immediately after that. Application of the freezing agent is performed even after cutting, and a cutting means and the freezing agent respectively comprise carbon dioxide laser and liquid nitrogen.</p> |
